Home / 36,786.87-55,214.96-19,269

Finding the Fourth Proportional to 36,786.87, 55,214.96 and 19,269

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Solution

The fourth proportional to 36,786.87, 55,214.96 and 19,269 is: 28,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,786.87 : 55,214.96 = 19,269 : x
  2. Step 2: Convert to fraction form
    36,786.87/55,214.96 = 19,269/x
  3. Step 3: Cross multiply
    36,786.87x = 55,214.96 × 19,269
  4. Step 4: Simplify right side
    36,786.87x = 1,063,936,967.90
  5. Step 5: Solve for x
    x = 1,063,936,967.90/36,786.87
  6. Step 6: Final answer
    x = 28,921.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.